<style>
    .academic_year_defaults select,.academic_year_defaults input{
        width:100%
    }
</style>
<a href="<?php echo url_for('academic_year/index') ?>"><?php echo __('edit academic years') ?></a>
<form action="<?php echo url_for('current_academic_year/index') ?>" method="post">
    <table width="40%" class="academic_year_defaults" align="center">
        <?php echo $form ?>
        <tr>
            <td colspan="2" align="center">
                <input type="submit" value="<?php echo __('Save') ?>"/>
            </td>
        </tr>
    </table>
</form>